CVE-2016-7217
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedMedia Foundation in Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, and 1607, and Windows Server 2016 allows remote attackers to execute arbitrary code via a crafted web site, aka "Media Foundation Memory Corruption Vulnerability."
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceMemory corruption vulnerability in Microsoft Media Foundation allows remote code execution when a user visits a specially crafted website. The vulnerability stems from improper handling of media content, leading to heap corruption that can be exploited to execute arbitrary code with user privileges.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE dataall versions= 1511= 1607all versionsall versionsall versions= r2all versionsCVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Confirm Windows version is affectedRun 'winver' or 'systeminfo | findstr /B /C:"OS Name" /C:"OS Version"' and verify the Windows version matches one of the affected products: Windows 10 (all versions, 1511, 1607), Windows 8.1 (all versions), Windows RT 8.1 (all versions), Windows Server 2012 (all versions, R2), or Windows Server 2016 (all versions)Affected if The system runs any of the listed affected Windows versions and the security update is not installed
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Verify Media Foundation component is presentCheck if mf.dll exists in the system by running 'dir C:\Windows\System32\mf.dll' or 'Get-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion' | Select-Object ProductName, CurrentBuild'Affected if Media Foundation (mf.dll) is present on the system and the system is an affected Windows version
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Check if security update KB3194343 is installedRun 'wmic qfe list' or 'Get-HotFix -Id KB3194343' to see if the patch is applied. Alternatively, check Windows Update history for this specific KBAffected if KB3194343 is NOT listed among installed updates, indicating the system may be vulnerable if it is an affected Windows version with Media Foundation enabled
A system is affected if it runs an affected Windows version (8.1, 10, RT 8.1, Server 2012, Server 2016), has Media Foundation present, and does not have security update KB3194343 installed.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply Microsoft security update KB3194343 (or subsequent cumulative updates) to all affected Windows systems. Until patched, users should avoid browsing untrusted websites and enable Windows Defender or equivalent endpoint protection.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2016-7217 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2016-7217 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data